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A contractor sizing central AC here has to account for a compressor that starts the season cold every year after a long stretch of no use. Homes in Faulk County, SD run cooling about two months a year, from July through August. Refrigerant lines, electrical contacts, and the condenser fan all go untested through the months when the system sits off, so a poor installation or an undersized unit does not announce itself gradually. It announces itself on the first genuinely hot day, when the system is asked to perform at full load immediately. Getting the installation right from the start is what determines whether that day goes quietly.
Ductwork laid out for an earlier generation of equipment rarely lines up with what a new central AC unit needs from it. Half the homes in Faulk County, South Dakota were built in 1964 or earlier (2020-2024 ACS 5-year). A contractor quoting a new system here has to trace what those existing runs can actually carry, where they go, and whether the electrical service will handle the load a modern unit draws. That assessment shapes the quote more than the equipment selection does.
The Central AC Components a Contractor Works With
The outdoor condenser unit sits on a pad outside the house and holds the compressor and condenser coil, the two components that do the heaviest work in the system. Inside, the air handler or furnace-mounted evaporator coil lives in a utility space, attic, or closet and is the indoor half of the refrigerant circuit. Together, these are the core pieces a contractor addresses during installation.
The refrigerant lines run between the indoor and outdoor units, connecting the two halves of the system through the wall or floor. The thermostat mounts on an interior wall and serves as the control point for the whole system. Both pieces are part of what a contractor accounts for when setting up a new central AC.
The drawing shows the general layout of a central AC system, and a licensed contractor determines exactly what applies to your house.
Find a contractor in Faulk CountyFaulk County, by the numbers
131 severe weather events were recorded in Faulk County, South Dakota between 2015 and 2024.
NOAA National Centers for Environmental Information, Storm Events Database, bulk CSV export, events 2015-01-01 through 2024-12-31.Half the homes in Faulk County, South Dakota were built in 1964 or earlier (2020-2024 ACS 5-year).
U.S. Census Bureau, 2020-2024 American Community Survey 5-Year EstimatesFaulk County, South Dakota holds 1,085 housing units (2020-2024 ACS 5-year).
U.S. Census Bureau, 2020-2024 American Community Survey 5-Year EstimatesOwners occupy 79.6% of the occupied homes in Faulk County, South Dakota (2020-2024 ACS 5-year).
U.S. Census Bureau, 2020-2024 American Community Survey 5-Year EstimatesCodes & Standards Governing Central AC Installation in Faulk County, South Dakota8 sourced rules and standards
What the Job Actually Looks Like
Split-system central air conditioners rated below 45,000 Btu/h manufactured on or after January 1, 2023 must meet a federal minimum of 13.4 SEER2.
Split-system central air conditioners rated at or above 45,000 Btu/h manufactured on or after January 1, 2023 must meet a federal minimum of 13.4 SEER2.
Split-system central air conditioners manufactured between January 1, 2015 and December 31, 2022 had to meet 13 SEER, the metric that preceded SEER2.
Single-package central air conditioners manufactured on or after January 1, 2023 must meet a federal minimum of 13.4 SEER2.
Space-constrained central air conditioners manufactured on or after January 1, 2023 must meet a federal minimum of 11.7 SEER2.
Federal efficiency standards for split-system central air conditioners and heat pumps are set on each certified combination of outdoor unit and indoor coil rather than on the outdoor unit alone.
Residential and light commercial air conditioning and heat pump systems assembled in the field, including mini-splits and unitary systems, may not be installed on or after January 1, 2025 using a refrigerant with a global warming potential above 700.
A field-assembled system whose specified components were all manufactured or imported before January 1, 2025 carries no installation compliance date under the refrigerant restrictions and may still be installed.
Severe Weather Events in Faulk County
Extreme weather puts real demands on central AC equipment, from the stress of sustained heat to the wear that comes with volatile conditions. How hard a system has to work over its lifetime is a local question, and what happens in Faulk County shapes the answer.
131 severe weather events, 2015–2024. Source: NOAA National Centers for Environmental Information, Storm Events Database.